<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TodoList</title>
    <script src="./vue.js"></script>
</head>
<body>
    <div id="app">
       <input type="text" v-model='inputValue'>
       <button v-on:click='handleBtnClick'>提交</button>
       <ul>
           <li v-for='item in list'>
                {{item}}
           </li>
       </ul>
    </div>
    <script>
        //  MVVM  设计模式   view  model
        var app = new Vue({
            el:'#app',
            data:{
                list:[],
                inputValue:''
            },
            methods:{
                handleBtnClick:function(){
                    this.list.push(this.inputValue);
                    this.inputValue = "";
                }
            }
        });
    </script>
</body>
</html>